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CORC 004 - Sievers Mountain and fall aspen White River National Forest Colorado.jpg
CORC 004 -  Fall-colored aspen (Populus Tremuloides) grow on steep slopes beneath Sievers Mountain, Maroon Bells - Snowmass Wilderness, White River National Forest, Colorado, USA --- (4x5 inch original, File size: 5980x4800, 82.1mb uncompressed).